Subject: RE: [mobile-ip] Mobile IPv6 - Issue 74 (Using the CoA as SRC Addr for short-term communications)

From: "Hesham Soliman (EAB)" <[email-masked]>
Date: Thu, 19 Sep 2002 03:45:01 +0200

> Recommendation:
  > ---------------
  > 
  > The MN while on a foreign link can choose to use the CoA for short
  > lived communications. IPv6 WG I-D
  > draft-ietf-ipv6-default-addr-select-09.txt is currently work in
  > progress 

=> I thought it was IESG last call now, if it hasn't gone
through already.

and provides a solution w.r.t the address that is selected
  > for various sessions or applications. Hence policy would 
  > specify what
  > address to use (HoA or CoA) as the source address. 

=> This policy would need some API extensions.

The Mobile Ipv6
  > specification hence does not have to deal with specifying how the MN
  > chooses the source address and let the IPv6 WG specify this
  > funcationality. Hence no change to the current 
  > recommendation for the
  > short-term communications text in section 11.2.1
  > 
  > The direct delivery sub section specification in section 
  > 11.2.1 should
  > include the following additional text:
  > 
  > "
  > The MN may send packets to the CN that includes the home address
  > destination option directly to the CN only if the MN is 
  > aware that the
  > CN already has a binding cache entry for the MNs Home 
  > address. Section
  > 9.2.2 specifies the rules for Home Address Destination Option
  > Processing at a CN. The MN needs to ensure that there 
  > exists an active
  > binding cache for its home address in order to ensure that 
  > the CN will
  > process the packet.
  > "

=> Agreed with the recommendation.

Hesham